Electric Potential Condition¶
This electric potential condition establishes a fixed electric potential \(\phi\) in a given volume or at the boundary of the region of interest:
\[
\left. \phi \right|_{\Omega} = \phi_0(x,y,z),
\]
where \(\Omega\) is the given region of space (volume or surface) and \(\phi_0(x,y,z)\) is the desired distribution of the electric potential.